212002147 has 16 divisors (see below), whose sum is σ = 247560192. Its totient is φ = 177802560.

The previous prime is 212002129. The next prime is 212002181. The reversal of 212002147 is 741200212.

It is a happy number.

212002147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212002147 - 2¹¹ = 212000099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212002187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65358 + ... + 68524.

It is an arithmetic number, because the mean of its divisors is an integer number (15472512).

Almost surely, 2^212002147 is an apocalyptic number.

212002147 is a deficient number, since it is larger than the sum of its proper divisors (35558045).

212002147 is a wasteful number, since it uses less digits than its factorization.

212002147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 212002147 is about 14560.2935066571. The cubic root of 212002147 is about 596.2752086584.

Adding to 212002147 its reverse (741200212), we get a palindrome (953202359).

The spelling of 212002147 in words is "two hundred twelve million, two thousand, one hundred forty-seven".